public class Point3D extends Point2D{
    private float z = 0.0f;


    public Point3D(float x, float y, float z) {
        super(x, y);
        this.z = z;
    }

    public Point3D() {
    }

    public float getZ() {
        return z;
    }

    public void setZ(float z) {
        this.z = z;
    }
   // public void setXYZ(float x, float y, float z) {
     //   this.x=x;
    //}
}